Black Streaks On Roof

The black streaks running down roofs are actually a hardy algae called gloeocapsa magma.

Black streaks on roof. Though gloeocapsa magna has literally been around for centuries it didn t make its ugly presence known as a major problem in the u s. The streaks are caused by a type of algae known as gloeocapsa magma. This blackish algae creeps it way across neighborhood roofs gradually turning your home s asphalt shingles an ugly dark brown or black. Over time this algae accumulates developing a black outer coating which causes stains on roof shingles.

If you re seeing black streaks running along your roof chances are you ve mistaken them for dirt or even mold. The most common type is known as gloeocapsa magma also known as blue green algae. It feeds on the limestone filler in your asphalt shingles. As the blue green algae.

Although it may look like mold or fungi these unsightly black streaks or smear like stains may indicate a type of roof algae known in technical terms as gloeocaspa magma. What are those ugly black streaks on my roof. While it can be displeasing to look at gloeocapsa magma can impact your roof far beyond its aesthetics. They re actually algae otherwise known as gloeoapsa magma and they are as nasty as they are resilient.

Technically the black streaks on roofs are a form of algae known as gloeocapsa magma. Those that tend to be the most humid furthermore they will only appear on the north side of the roof. Black streaks on shingled roofs are a common though mysterious sight. Believe it or not those black streaks only appear on roofs in certain areas of the country.

Here s what they are and what to do about them. It s also known as blue green algae in the roofing business. The first thing to note is that what you re seeing is the result of a cyanobacteria known as gloeocapsa magna. Black streaks on your roof indicate the presence of algae known as gloeocapsa magma.

The algae feed off of the limestone within the roof shingles. The black streaks are also known as black algae or roof mold. Black streaks on roof. While not immediately damaging they can prematurely age shingles.